Hemigrammus tocantinsi : fisheries

Hemigrammus tocantinsi Carvalho, Bertaco & Jerep, 2010

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No drawings available for Acestrorhamphidae.

klasifikasi / Nama Nama-nama umum | Sinonim (persamaan) | Catalog of Fishes(Marga, Jenis) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Acestrorhamphidae (American tetras) > Pristellinae
Etymology: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335); tocantinsi: Named for the rio Tocantins basin, where the new species occurs; noun in apposition.

Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi Ekologi

; air tawar bentopelagis. Tropical; 13°S - 14°S, 47°W - 48°W

Penyebaran Wilayah | Daerah-daerah FAO | Ekosistem | Kemunculan | peta titik | Introduksi | Faunafri

South America: Brazil. Occurs in the tributaries of the rio das Almas, rio Paranã drainage, upper rio Tocantins basin, Goiás State (Ref. 84464).

Ukuran / Berat / umur

Kematangan: Lm ?  range ? - ? cm
Max length : 3.7 cm SL jantan/; (Ref. 84464)

deskripsi pendek Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik

Hemigrammus tocantinsi differs from most congeners [except H. bellottii (Steindachner), H. bleheri Géry & Mahnert, H. boesemani Géry, H. brevis Ellis, H. cylindricus Durbin, H. cupreus Durbin, H. erythrozonus Durbin, H. geisleri Zarske & Géry, H. levis Durbin, H. mahnerti Uj & Géry, H. microstomus Durbin, H. mimus Böhlke, H. orthus Durbin, H. rhodostomus Ahl, H. rodwayi Durbin, H. tridens Eigenmann, H. skolioplatus Bertaco & Carvalho, and H. vorderwinkleri Géry] by the number of branched anal-fin rays, 15-17 (vs. less than 15 in H. analis Durbin, H. hyanuary Durbin, H. iota Durbin, and more than 17 on remaining species). From the species with the same range of branched anal-fin rays, Hemigrammus tocantinsi differs by the presence of 1-2 (mode 1) maxillary teeth (vs. 3-11 in H. bellottii, H. cylindricus, H. cupreus, H. mimus, and H. skolioplatus); longitudinal stripe posteriorly broad, larger than one scale depth or than pupil diameter (vs. thinner than one scale depth or pupil diameter or longitudinal stripe absent in H. bellottii, H. boesemani, H. brevis, H. erythrozonus, H. geisleri, H. levis, H. mahnerti, H. microstomus, H. orthus, H. rodwayi, H. tridens, and H. vorderwinkleri); caudal-fin lobes hyaline (vs. presence of a conspicuous broad black marginal or submarginal band across the distal part of caudal-fin lobes in H. bleheri and H. rhodostomus). Furthermore, Hemigrammus tocantinsi can be distinguished from all congeners by the color pattern of live specimens (reddish or orange in male and yellowish pigmented in female).

Biologi     Daftar kata (contoh epibenthic)

Lives in streams, in semi-lentic and lotic shallow areas (up to 1 m deep) with riparian vegetation composed by trees and shrubs. This new species was collected syntopically with Aspidoras albater, Astyanax sp., Characidium stigmosum, Corumbataia veadeiros, and Trichomycterus sp. Five specimens (UFRGS 11300, 25.1-27.1 mm SL) with stomach contents mainly composed by Diptera (pupae) and allochthonous insects, but also found were autochthonous insects and digested vegetal matter in a lesser amount (Ref. 84462).

Siklus hidup dan perilaku kawin Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva

rujukan utama Unggah referensi Anda | Acuan | Koordinator | mitra

Carvalho, F.R., V.A. Bertaco and F.C. Jerep, 2010. Hemigrammus tocantinsi: a new species from the upper rio Tocantins basin, Central Brazil (Characiformes: Characidae). Neotrop. Ichthyol. 8(2):247-254. (Ref. 84464)

Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))

  kurang bimbang (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

  Harmless





penggunaan manusia

Perikanan: memiliki potensi kepentingan
FAO - Publication: search | FishSource |

informasi lanjut

Ekologi trofik
Item makanan (mangsa)
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mitra
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Alat, peralatan

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muat turun XML

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Sumber internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | semak peneliti ikan | CISTI | Catalog of Fishes: Marga, Jenis | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: pergi, Cari | World Records Freshwater Fishing | Zoobank | Catatan Zoologi

Estimasi berdasarkan model

Indeks keanekaragaman filogenetik
(Acuan 82804) 		PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00589 (0.00226 - 0.01533), b=3.16 (2.94 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Tingkat Trofik
(Acuan 69278) 		3.2   ±0.4 se; based on size and trophs of closest relatives
Kerentanan Penangkapan Ikan
(Ref. 59153) 		Low vulnerability (10 of 100). 🛈